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This research used multivariate statistical analysis to evaluate the tolerance of 11 tomato cultivars to low light at the seedling stage. The low-light condition (200–420 μmol/m2 s) was simulated by a shade net. It was found that 11 of 16 character indices of different cultivars, such as dropping angle, bend degree, and accumulation of leaf area, showed a significant difference by using multiple variance...
Collection and analysis of information about network public opinion has currently become an effective means to get people thinking and recommendations by the government departments. In this paper, we presents a method of BBS(Bulletin Board System) hot topic analysis based on multiple keywords combination, this method, which use Chinese automatic word segmentation technology, firstly extracts keywords...
With the continuous development of network technology, Web mail technology has become an important means of information transmission and management in government agencies, enterprises and individuals, however, the subsequent problems of protecting web mail security has become a concern to users. This paper presents a free, flexible and not dependent on the mail protocol web mail forensics system model...
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